/* 去除常见标签默认的 margin 和 padding */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/* 设置网页统一的字体大小、行高、字体系列相关属性 */
body {
  font: 18px/1 "PingFangSC-Regul", "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
  color: #333;
}
/* 去除列表默认样式 */
ul,
ol {
  list-style: none;
}
/* 去除默认的倾斜效果 */
em,
i {
  font-style: normal;
}
/* 去除a标签默认下划线，并设置默认文字颜色 */
a {
  text-decoration: none;
  color: #333;
}
/* 设置img的垂直对齐方式为居中对齐，去除img默认下间隙 */
img {
  width: 100%;
  vertical-align: middle;
}
/* 去除input默认样式 */
input {
  border: none;
  outline: none;
  color: #333;
}
.header {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 5.8667vw;
  margin-bottom: 0.6667vw;
}
.header .lan {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 81.3333vw;
  height: 4vw;
  background-color: #fff;
}
.header .lan h4 {
  font-size: 2.1333vw;
}
.nav {
  position: relative;
  width: 97.6vw;
  height: 6.2667vw;
  background: #f7f7f7;
  margin: 0 1.2vw 2vw 1.2vw;
  border-radius: 50%;
}
.nav input {
  width: 97.6vw;
  height: 6.2667vw;
  background: #f7f7f7;
  border-radius: 4vw;
}
.nav span {
  font-size: 2.6667vw;
  position: absolute;
  left: 41.0667vw;
  top: 1.8667vw;
}
.nav p {
  position: absolute;
  left: 44.5333vw;
  top: 2.2667vw;
  font-size: 2.6667vw;
  color: #6d6d66;
}
.box {
  display: flex;
  width: 100%;
  padding-bottom: 1.3333vw;
}
.box .left {
  display: flex;
  flex-direction: column;
  height: 85vh;
  width: 23.0667vw;
  background-color: #f8f8f8;
}
.box .left ul {
  padding-bottom: 2.9333vw;
  width: 23.0667vw;
}
.box .left ul li {
  display: flex;
  width: 23.0667vw;
  height: 8.9333vw;
  background-color: #f8f8f8;
}
.box .left ul li a {
  color: #444;
  font-size: 2.4vw;
  width: 23.0667vw;
  height: 8.9333vw;
  text-align: center;
  line-height: 8.9333vw;
}
.box .right {
  display: flex;
  flex-direction: column;
  height: 85vh;
  flex: 1;
  padding-bottom: 2.9333vw;
  box-sizing: border-box;
}
.box .right ul {
  display: flex;
  flex-wrap: wrap;
}
.box .right li {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2vw 2vw 0.2667vw;
  width: 33.33%;
  height: 30.0667vw;
}
.box .right li p {
  font-size: 2.5333vw;
  color: #444;
}
.box .right li img {
  width: 21.8667vw;
  height: 21.8667vw;
}
.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6.6667vw;
  background-color: #fff;
}
.footer ul {
  border-top: 1px solid #ccc;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 6.6667vw;
}
.footer ul li {
  width: 25%;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.footer ul li:nth-child(2) span {
  color: #fa2209;
}
.footer ul li:nth-child(2) p {
  color: #fa2209;
}
.footer ul li span {
  font-size: 3.2vw;
}
.footer ul li p {
  font-size: 1.6vw;
  margin-top: 0.4vw;
}
